Numbers Stations, The Woodpecker etc.
UPDATED 3/5/2025 The so-called “Numbers Stations“ are a favorite topic on the Interwebs. Some obvious open source information is available but wild speculation about them is widespread. I won’t try […]
Military Tactical Radios
TRC-88 HF CW/SSB Transceiver
UPDATED 11/15/2025 A work in progress. I recently revived an RT-665( )/TRC-88 HF Radio transceiver. This was a challenge since I cannot find any documentation on the set or even a […]
AN/APR-1 & APR-4 Radar/Comm Surveillance Receiver
AN/APR-1 Radar/Communications surveillance receiver. (aka APR-1). Below: Type 13 and 22 Air Search Radars aboard the Imperial Japanese Navy destroyer HARUTSUKI. They were also installed on some IJN submarines after […]
AS-1729/VRC VHF Whip Antenna
UPDATED 2NOV2024 “The AS-1729/VRC is an omnidirectional, vertically polarized whip antenna assembly that provides transmission and reception of radio signals (very high frequency (VHF)) between 30 and 76 MHz.” TM […]
AN/PRC-74B HF Manpack Transceiver
UPDATED 10/15/2024, Stay tuned, Under Construction A friend in Colorado recently gave me a veteran RT-794B/PRC-74 because he wanted it to go to a “good home”. I shall try… Many […]
TCS Radio Set
UPDATED 8/7/2024 The Collins TCS radio set includes the Transmitter Type COL-52245, Receiver Type CMX-46159, Loading Coil Type COL-47205, control box, shock mounts and one of several different power supplies. […]
Military Radio Collectors Group FTX 6-15
Update: 6/15/15 Mt Diablo Recon Mission, 12-14 June 2015 Oh, and the Chow was good! We had a fun Military Field Day up on Mt Diablo this weekend. We were […]
Radio Wire Integration with field sets
A Brief Overview, Updated 10/11/2025 The Control Group AN/GRA-6 Radio Wire Integration (RWI) system: A typical application is in running a command post from a position with good cover and […]
PRC-10 Infantry Radio
UPDATED: 2/20/2022 Some beginning notes on the AN/PRC-10 FM field radio set. AKA the PRC-10 or “Prick 10”. The basic receiver-transmitter component is the RT-176. A couple of the many […]
PRC-6 Radio
UPDATED 4/29/2023 Beginnings of some notes on the hand held Radio Set AN/PRC-6 FM radio. There is lots of information on the Web regarding these radios so I will just […]